Soken DAC-MR-100A - CONTACT RESISTANCE METER
Overview
Features
Specifications
Calibration
SOKEN Contact Resistance Meter, DAC-MR-100A, and DAC-MR-50A are ideal for measurement at both laboratory and on-site test instantly and easily with the resolution 0.1 micro ohm. DAC-MR-100A is for measuring current 100A, and DAC-MR-50A is for 50A.
Application
- Contact Resistance Measurement for Power Circuit Breaker (GIS, Switch Gear)
- Resistance Measurement for Bus Bar and Joint
- Conductive Resistance Measurement for Cables
Principle
A standard resistor Rs is introduced into the resistance meter as in the circuit diagram. A common current Is flows to both the resistor Rs and a specimen Rx under test. Thus, voltage drop generates separately: IsRs=Es for Rs, IsRx=Ex for Rx. The measured voltages, Es and Ex are divided in the dividing circuit.
Ｅｘ／Ｅｓ＝ＩｓＲｘ／ＩｓＲｓ＝Ｒｘ／Ｒｓ
A ratio of Rx/Rs is given digitally.
Ｅｘ／Ｅｓ＝ＩｓＲｘ／ＩｓＲｓ＝Ｒｘ／Ｒｓ
A ratio of Rx/Rs is given digitally.
Connection
- Light and Durable, only about 8 kg
- Measuring Current 100A and 50A
- Resolution：0.1 μ ohm
- Kelvin Clips for Quasi Four Terminal Measurements
General
| Measuring Range | 0-1.9999 m ohm |
| Measuring Current | DC100A±3% |
| Minimum Resolution | 0.1µ ohm |
| Accuracy | ±(0.5%Rdg+3digits) at 1/10 of full scale or more ±(0.5%Rdg+10digits) at 1/10 of full scale or less |
| Measuring Current Output | 1.000V/100A |
| Display | 4 1/2 digit (Max 1.9999) |
| Power Consumption | 800VA |
| AC Mains | AC 100V～ 240V±10% 50/60Hz |
| Size | W305 x H245 x D250 (mm) |
| Weight | 8.4 kg |
| Accessories | 4 terminals Measuring Cable (5M) with Kelvin Clip x 1 set AC Cord (2M) x 1 Grounding Cable (2M) x 1 Operation Manual x 1 Accessory Bag x 1 |
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